[Traces] Add named options support to ZipkinExporter builder extensions

[CodeBlanch]

Changes

Applies the named options pattern from #3648 to ZipkinExporter.

TODOs

• Appropriate CHANGELOG.md updated for non-trivial changes
• Unit Tests
• Changes in public API reviewed

[codecov]

Codecov Report

Merging #3655 (13a40da) into main (b4ade26) will increase coverage by 0.07%.
The diff coverage is 100.00%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3655      +/-   ##
==========================================
+ Coverage   87.76%   87.84%   +0.07%     
==========================================
  Files         283      283              
  Lines       10237    10240       +3     
==========================================
+ Hits         8985     8995      +10     
+ Misses       1252     1245       -7     

Impacted Files	Coverage Δ
....Exporter.Zipkin/ZipkinExporterHelperExtensions.cs	97.77% <100.00%> (+0.15%)	⬆️
...ZPages/Implementation/ZPagesExporterEventSource.cs	56.25% <0.00%> (-6.25%)	⬇️
src/OpenTelemetry/Logs/OpenTelemetryLogger.cs	86.66% <0.00%> (-2.23%)	⬇️
...Telemetry/Internal/SelfDiagnosticsEventListener.cs	96.87% <0.00%> (-0.79%)	⬇️
...emetry.Api/Internal/OpenTelemetryApiEventSource.cs	82.35% <0.00%> (+5.88%)	⬆️
src/OpenTelemetry/Logs/Pool/LogRecordSharedPool.cs	100.00% <0.00%> (+21.05%)	⬆️